320275120 has 40 divisors (see below), whose sum is σ = 812336400. Its totient is φ = 116463360.

The previous prime is 320275003. The next prime is 320275127. The reversal of 320275120 is 21572023.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 320275091 and 320275100.

It is not an unprimeable number, because it can be changed into a prime (320275127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181095 + ... + 182854.

It is an arithmetic number, because the mean of its divisors is an integer number (20308410).

Almost surely, 2^320275120 is an apocalyptic number.

It is an amenable number.

320275120 is an abundant number, since it is smaller than the sum of its proper divisors (492061280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320275120 is a wasteful number, since it uses less digits than its factorization.

320275120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363973 (or 363967 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 320275120 is about 17896.2320056486. The cubic root of 320275120 is about 684.1863427640.

The spelling of 320275120 in words is "three hundred twenty million, two hundred seventy-five thousand, one hundred twenty".